<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
<form action="param/demo2" method="post" >
  <button>POST请求</button>
</form>
<button onclick="post()">POST请求</button>
<hr>

<form action="param/demo8" method="get">
  <button>GET请求（请求体）</button>
</form>
<form action="param/demo8" method="post" enctype ="application/x-www-form-urlencoded">
  <button>POST请求（请求体：application/x-www-form-urlencoded ）</button>
</form>
<form action="param/demo8" method="post" enctype ="multipart/form-data">
  <button>POST请求（请求体：application/x-www-form-urlencoded ）</button>
</form>

</body>

<script>
  function post(){
    axios.post("params/demo2").then(res=>{
      alert(res.data);
    })
  }
</script>
</html>